dridex | 8e7de2017d5b9cd2d92d8a772de6ff0197b0588af45a8ca2195746142e2cd843

Analysis

max time kernel
123s
max time network
124s
platform
windows7_x64
resource
win7v20210410
submitted
07/05/2021, 11:01

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General

Target
bf1721df_by_Libranalysis.dll
Size 162KB
Sample210507-eb3546416x
SHA256 8e7de2017d5b9cd2d92d8a772de6ff0197b0588af45a8ca2195746142e2cd843
MD5 bf1721df2a5bb8e00f1bb460e5a5afaf
SHA1 9e011ebf16eb3692458af2221b56a4d366136cd7
SHA512 0cc4f9f6c7352c7fef5ef62267834239af3ced1c76daf23d64d98b602ed8a5dbe507bcee9f2c13e5b1e82197aebbb5f38b9c80db61b930ac672234d842480b83
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2008-62-0x0000000074C90000-0x0000000074CBE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 2008	1088	rundll32.exe	26
PID 1088 wrote to memory of 2008	1088	rundll32.exe	26
PID 1088 wrote to memory of 2008	1088	rundll32.exe	26
PID 1088 wrote to memory of 2008	1088	rundll32.exe	26
PID 1088 wrote to memory of 2008	1088	rundll32.exe	26
PID 1088 wrote to memory of 2008	1088	rundll32.exe	26
PID 1088 wrote to memory of 2008	1088	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf1721df_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf1721df_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2008-61-0x00000000753B1000-0x00000000753B3000-memory.dmp

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memory/2008-62-0x0000000074C90000-0x0000000074CBE000-memory.dmp

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memory/2008-64-0x0000000000180000-0x0000000000186000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads